View Compilation Error

0_0_22371224_32611.cpp:146:1: error: 'll' does not name a type
 ll x,y,k;
 ^
0_0_22371224_32611.cpp: In function 'int main()':
0_0_22371224_32611.cpp:151:31: error: 'x' was not declared in this scope
         scanf("%lld%lld%lld",&x,&y,&k);
                               ^
0_0_22371224_32611.cpp:151:34: error: 'y' was not declared in this scope
         scanf("%lld%lld%lld",&x,&y,&k);
                                  ^
0_0_22371224_32611.cpp:151:37: error: 'k' was not declared in this scope
         scanf("%lld%lld%lld",&x,&y,&k);
                                     ^